pope benedict's resignation is effective on thursday. >> pope benedict gave the final sunday pleasing in vatican city yesterday as rumors swirled over the reason behind his sudden resignation. he gave thanks to an estimated 100,000 in st. peter's square. on thursday he is the first pope to resign in 600 years. italian newspapers speculate he is resigning because of sex and blackmail scandal that will be made public. >> affleck's argo won best picture and two other categories. >> everyone in the movie, did anything with the movie gets thanks. >> he looked excited, don't you think? the film of the 1979 daring rescue of american hostages in iran won for adapted screenplay. >> the biggest night was filled with surprises. now we show you what it is like to be at the oscars. >> the oscar goes to..."argo." the first lady announced it from the white house in an oscar season that saw the favorite change weekly. >> like trying to analyze waves. >> hope the wave goes your way. >> it was a show that had memorable moments including this one that will go viral but jennifer lawrence just won best ac